[dpdk-dev] [PATCH v4 1/9] bnx2x: Update VF to support newer PF drivers
Rasesh Mody
rasesh.mody at qlogic.com
Fri Dec 11 07:36:34 CET 2015
From: Harish Patil <harish.patil at qlogic.com>
SR-IOV is supported using bnx2x poll mode driver running as VF driver and
native linux driver running as PF (in host/hypervisor). There is no issue
while running with the PF driver which is at the base version as that of
PMD. However, there is a compatibility issue between newer out-of-box PF
drivers with older VF driver. So the newer VFs would also need to send
BNX2X_VF_TLV_PHYS_PORT_ID (among other TLVs) to differentiate between
newer and older VFs.
Signed-off-by: Harish Patil <harish.patil at qlogic.com>
---
drivers/net/bnx2x/bnx2x_vfpf.c | 11 +++++++++--
drivers/net/bnx2x/bnx2x_vfpf.h | 15 +++++++++++++++
2 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bnx2x/bnx2x_vfpf.c b/drivers/net/bnx2x/bnx2x_vfpf.c
index 661f0a5..39fd59a 100644
--- a/drivers/net/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/bnx2x/bnx2x_vfpf.c
@@ -257,8 +257,15 @@ int bnx2x_vf_get_resources(struct bnx2x_softc *sc, uint8_t tx_count, uint8_t rx_
acq->bulletin_addr = sc->pf2vf_bulletin_mapping.paddr;
- BNX2X_TLV_APPEND(acq, acq->first_tlv.length, BNX2X_VF_TLV_LIST_END,
- sizeof(struct channel_list_end_tlv));
+ /* Request physical port identifier */
+ BNX2X_TLV_APPEND(acq, acq->first_tlv.length,
+ BNX2X_VF_TLV_PHYS_PORT_ID,
+ sizeof(struct channel_tlv));
+
+ BNX2X_TLV_APPEND(acq,
+ (acq->first_tlv.length + sizeof(struct channel_tlv)),
+ BNX2X_VF_TLV_LIST_END,
+ sizeof(struct channel_list_end_tlv));
/* requesting the resources in loop */
obtain_status = bnx2x_loop_obtain_resources(sc);
diff --git a/drivers/net/bnx2x/bnx2x_vfpf.h b/drivers/net/bnx2x/bnx2x_vfpf.h
index 94ce9f0..4f25321 100644
--- a/drivers/net/bnx2x/bnx2x_vfpf.h
+++ b/drivers/net/bnx2x/bnx2x_vfpf.h
@@ -34,12 +34,24 @@ struct vf_resource_query {
#define BNX2X_VF_Q_FLAG_DHC 0x0200
#define BNX2X_VF_Q_FLAG_LEADING_RSS 0x0400
+#define TLV_BUFFER_SIZE 1024
+
+/* general tlv header (used for both vf->pf request and pf->vf response) */
+struct channel_tlv {
+ uint16_t type;
+ uint16_t length;
+};
+
struct vf_first_tlv {
uint16_t type;
uint16_t length;
uint32_t reply_offset;
};
+struct tlv_buffer_size {
+ uint8_t tlv_buffer[TLV_BUFFER_SIZE];
+};
+
/* tlv struct for all PF replies except acquire */
struct vf_common_reply_tlv {
uint16_t type;
@@ -244,12 +256,14 @@ union query_tlvs {
struct vf_release_tlv release;
struct vf_rss_tlv update_rss;
struct channel_list_end_tlv list_end;
+ struct tlv_buffer_size tlv_buf_size;
};
union resp_tlvs {
struct vf_common_reply_tlv common_reply;
struct vf_acquire_resp_tlv acquire_resp;
struct channel_list_end_tlv list_end;
+ struct tlv_buffer_size tlv_buf_size;
};
/* struct allocated by VF driver, PF sends updates to VF via bulletin */
@@ -300,6 +314,7 @@ enum channel_tlvs {
BNX2X_VF_TLV_PF_SET_MAC,
BNX2X_VF_TLV_PF_SET_VLAN,
BNX2X_VF_TLV_UPDATE_RSS,
+ BNX2X_VF_TLV_PHYS_PORT_ID,
BNX2X_VF_TLV_MAX
};
--
1.7.10.3
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